[CMake] Make install permissions advice for ubuntu 14.04 with cmake 2.8

[B00083603 Michael O Brien]

Hi Roger,

When I run sudo -s I get bash:  /home/myaccount/ : Permission denied but I get a root prompt on the terminal. I get a permission denied when I try to cd into anything deeper than /home/myaccount/

Yes the /home/ is an NFS mount as its common across all the vm's I'm assigned to but  there isn't an etc/exports file
In /proc/mount the mount details don't mention root_squash just that its nfs rw relatime vers3

Michael

________________________________________
From: CMake <cmake-bounces at cmake.org> on behalf of Roger Leigh <rleigh at codelibre.net>
Sent: 05 June 2016 21:48
To: cmake at cmake.org
Subject: Re: [CMake] Make install permissions advice for ubuntu 14.04 with cmake 2.8

On 05/06/2016 17:01, B00083603 Michael O Brien wrote:

> sudo make install
>
> When I run sudo make install I get the error
> /bin/sh: 1: cd: can't cd to
> /home/michael.obrien/setups/OpenCV/opencv-2.4.13/build
> make[2]: *** [3rdparty/libtiff/CMakeFiles/libtiff.dir/depend] Error 2
> make[1]: *** [3rdparty/libtiff/CMakeFiles/libtiff.dir/all] Error 2
> make: *** [all] Error 2
>
> If I run the command make install the build will complete but I get an
> error "CMake Error at cmake_install.cmake:36 (FILE): file cannot create
> directory /usr/local/include/opencv2. Maybe need administrative privileges
>
> So I'm confused as to how I can resolve this if sudo can't cd to the
> folder but I need su(do) to create the directories
>
> Any pointers on how to solve this would be very welcome.

Can you do this:

   sudo -s
   cd /home/michael.obrien/setups/OpenCV/opencv-2.4.13/build

That will check that root has permission to cd there.  One thought for
why this might fail: is your homedir on NFS with root_squash enabled?
That might prevent root access.  What are the permissions on this
directory, and its parents?

Regards,
Roger

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